from machine import Pin
import utime

# Pin setup
RS = Pin(12, Pin.OUT)
EN = Pin(11, Pin.OUT)
D4 = Pin(10, Pin.OUT)
D5 = Pin(9, Pin.OUT)
D6 = Pin(8, Pin.OUT)
D7 = Pin(7, Pin.OUT)

# Send enable pulse
def lcd_strobe():
    EN.value(1)
    utime.sleep_us(500)
    EN.value(0)
    utime.sleep_us(500)

# Send command/data
def lcd_send(data, mode):
    RS.value(mode)
    D7.value((data >> 7) & 1)
    D6.value((data >> 6) & 1)
    D5.value((data >> 5) & 1)
    D4.value((data >> 4) & 1)
    lcd_strobe()
    D7.value((data >> 3) & 1)
    D6.value((data >> 2) & 1)
    D5.value((data >> 1) & 1)
    D4.value((data >> 0) & 1)
    lcd_strobe()

# LCD initialization
def lcd_init():
    lcd_send(0x33, 0)  # 8-bit mode init
    lcd_send(0x32, 0)  # 4-bit mode
    lcd_send(0x28, 0)  # 2 lines, 5x7 matrix
    lcd_send(0x0C, 0)  # Display on, cursor off
    lcd_send(0x06, 0)  # Increment cursor
    lcd_send(0x01, 0)  # Clear display

# Print string on LCD
def lcd_print(text):
    for char in text:
        lcd_send(ord(char), 1)

# Setup and display
lcd_init()
lcd_print("Hello Bishnu!")
lcd_send(0xC2, 0)  # Move to row 2, col 2
lcd_print("> Pi Pico <")
utime.sleep(5)
 #Print string on LCD
def lcd_print(text):
    for char in text:
        lcd_send(ord(char), 2)
lcd_init()
lcd_print("Hru!")
lcd_send(0xC2, 0)  # Move to row 2, col 2
lcd_print("> Pi Pico <")